CPU load with request on Uniquemember attribute

Hi All,
I migrate 3 directory server of Iplanet Directory Server 5.1SP4 to Sun One Directory Server 5.2SP4 and since this day, I have several problems on the 3 migrated servers, especially with requests on Uniquemember attribute !!
I already checked the indexes and the attribute Uniquemember is indexed as equality !
Today, requests as this one :
uniqueMember=uid=xxxx responds in 4 seconds instead of 0 seconds in Iplanet Directory Server 5.1SP4.
conn=113624 op=25027 msgId=25028 - RESULT err=0 tag=101 nentries=0 etime=5
It's very strange and I don't know how to find the solution !
Do you have any similar problem ?
Thanks for your help !!

In 5.1, the servers are in Windows 2000 SP4, same hardware.
In 5.2, the servers are in Windows 2003 SP1, same hardware.
The databases are the same.
Today, in my plan of migration, my masters are still in 5.1 and my consumers are in 5.2 and the problem of CPU load are only in 5.2.
I already add the nsslapd-search-tune to my dse.ldif, reindex the database, etc...but the performance are still the same.
When a request is done on the attribute uniquemember= "DN"...the response is too longer...

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         8 library cache pin                                 0             863 WAITING
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        89 library cache pin                                 0            2566 WAITING
        57 library cache pin                                 0           27384 WAITING
        54 library cache pin                                 0           21029 WAITING
        53 library cache pin                                 0            7840 WAITING
        50 library cache pin                                 0            2620 WAITING
        47 library cache pin                                 0            6031 WAITING
        46 library cache pin                                 0            1241 WAITING
        41 library cache pin                                 0           15637 WAITING
       145 library cache pin                                 0             910 WAITING
       133 library cache pin                                 0            5124 WAITING
       111 library cache pin                                 0           15077 WAITING
        98 library cache pin                                 0            6563 WAITING
        94 library cache pin                                 0            2088 WAITING
        93 library cache pin                                 0            4592 WAITING
        92 library cache pin                                 0           14705 WAITING
        91 library cache pin                                 0           14798 WAITING
        36 library cache pin                                 0            1533 WAITING
        33 library cache pin                                 0            1491 WAITING
        28 library cache pin                                 0           13970 WAITING
        25 library cache pin                                 0            7630 WAITING
        11 library cache pin                                 0           12169 WAITING
        12 library cache pin                                 0            2352 WAITING
        14 library cache pin                                 0           19748 WAITING
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Wow - some serious over zealous moderation going on here.
Whomever is deleting posts- realize the following: The word is already out regarding this issue.
It has already been acknowledge and listed on the ViDock Facebook page, on other blog / site sources- not only in my How To video.
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the removed posts referred to were not complaining about the problem being discussed in that thread; they were complaining about the fact that peoples subscriptions had been broken due to the restructuring of the thread. Maybe if Nine had tagged his explanation as a next post in the thread or maybe people had taken the time to review the thread this situation would not have arisen. Another option would have been for them to ask a question in this board about the broken subscriptions, an explanation would have been given.
I can't speak for Lenovo but personally consider it a positive that "it has already been acknowledge and listed on the ViDock Facebook page, on other blog / site sources- not only in my How To video.". People will hopefully visit the thread and see in the first post Nine's escalation announcement as an indication that the problem is being investigated by Lenovo.
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@ Rob, it seems we're all cross-posting. Thanks and yes we can look at possibly more obviously transparent ways of handling things when such a situation arises.
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The escalation is not equivalent to pinning or stickying and unfortunately does sometimes require a thread reorganization which regrettably breaks some subscriptions.
Andy ______________________________________
Please remember to come back and mark the post that you feel solved your question as the solution, it earns the member + points
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CPU load with request on Uniquemember attribute

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